Originally Posted by
franklin_m
And do an energy calculation on your 6.5 pound model impacting at 50 MPH. Works out to 735 joules, and it more than equivalent to what the construction industry considers a FATAL blow (i.e. from a dropped tool), and their calculations assume a construction grade hard hat...
In the interest of full disclosure, would you mind telling us what size/weight/speed threshold values you DO consider safe for model aircraft? And therefore won't be trying to ban? Some of those taken in by your "equal protection" agenda might like to know just what kind of "toys" they'll be left to play with if you get your way.